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A318289 as a simple table

n a(n)
0 1
1 2
2 9
3 56
4 441
5 3952
6 40161
7 442248
8 5288933
9 67100072
10 904408398
11 12777826272
12 189324035423
13 2917525618256
14 46754429476800
15 774965979970096
16 13279872426589125
17 234395323126241080
18 4258775222885983350
19 79442662095373693728
20 1520453631213137081776

[1,2,9,56,441,3952,40161,442248,5288933,67100072,
 904408398,12777826272,189324035423,2917525618256,
 46754429476800,774965979970096,13279872426589125,
 234395323126241080,4258775222885983350,
 79442662095373693728,1520453631213137081776]

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Last modified March 29 03:41 EDT 2024. Contains 371264 sequences. (Running on oeis4.)